140840000

素因数分解:

$2^6\times 5^4\times 7^1\times {\mathrm{503}}^1$

素因数の和:542

約数の個数: 140

約数和(自身を含む): 399921984

約数和(自身を除く): 259081984

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 100, 112, 125, 140, 160, 175, 200, 224, 250, 280, 320, 350, 400, 448, 500, 503, 560, 625, 700, 800, 875, 1000, 1006, 1120, 1250, 1400, 1600, 1750, 2000, 2012, 2240, 2500, 2515, 2800, 3500, 3521, 4000, 4024, 4375, 5000, 5030, 5600, 7000, 7042, 8000, 8048, 8750, 10000, 10060, 11200, 12575, 14000, 14084, 16096, 17500, 17605, 20000, 20120, 25150, 28000, 28168, 32192, 35000, 35210, 40000, 40240, 50300, 56000, 56336, 62875, 70000, 70420, 80480, 88025, 100600, 112672, 125750, 140000, 140840, 160960, 176050, 201200, 225344, 251500, 280000, 281680, 314375, 352100, 402400, 440125, 503000, 563360, 628750, 704200, 804800, 880250, 1006000, 1126720, 1257500, 1408400, 1760500, 2012000, 2200625, 2515000, 2816800, 3521000, 4024000, 4401250, 5030000, 5633600, 7042000, 8802500, 10060000, 14084000, 17605000, 20120000, 28168000, 35210000, 70420000, 140840000]

約数ペア:

[(1, 140840000), (2, 70420000), (4, 35210000), (5, 28168000), (7, 20120000), (8, 17605000), (10, 14084000), (14, 10060000), (16, 8802500), (20, 7042000), (25, 5633600), (28, 5030000), (32, 4401250), (35, 4024000), (40, 3521000), (50, 2816800), (56, 2515000), (64, 2200625), (70, 2012000), (80, 1760500), (100, 1408400), (112, 1257500), (125, 1126720), (140, 1006000), (160, 880250), (175, 804800), (200, 704200), (224, 628750), (250, 563360), (280, 503000), (320, 440125), (350, 402400), (400, 352100), (448, 314375), (500, 281680), (503, 280000), (560, 251500), (625, 225344), (700, 201200), (800, 176050), (875, 160960), (1000, 140840), (1006, 140000), (1120, 125750), (1250, 112672), (1400, 100600), (1600, 88025), (1750, 80480), (2000, 70420), (2012, 70000), (2240, 62875), (2500, 56336), (2515, 56000), (2800, 50300), (3500, 40240), (3521, 40000), (4000, 35210), (4024, 35000), (4375, 32192), (5000, 28168), (5030, 28000), (5600, 25150), (7000, 20120), (7042, 20000), (8000, 17605), (8048, 17500), (8750, 16096), (10000, 14084), (10060, 14000), (11200, 12575)]